... .30seconds timer. 3.stainless steel,safe and easy to clean shaking machine for making bubble tea,bar,beverage.Bubble tea ... shaking machine 1. 30seconds timer, free to set time2. stainless steel ... the flavour taste good5. double frame for shaker, and double switch, simplicity of operator.Specification:Voltage:220V,50HZ, Power:120wREV:400R ...